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pHotone

Apparently, this user prefers to keep an air of mystery about them.

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  • Last seen Jan 29 at 13:25

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16 $e^{\left(\pi^{(e^\pi)}\right)}\;$ or $\;\pi^{\left(e^{(\pi^e)}\right)}$. Which one is greater than the other? Jul 13 '16
10 Calculate $\int_{-\infty}^{+\infty}\frac{x}{1+x^2}dx$, what is wrong with this? Apr 11 '17
9 Problem with calculation this integral: $\int_0^\pi \frac{dx}{1+3\sin^2x}$ Apr 11 '17
9 Is this inequality provable? $e^{\left(\pi^{e^{\pi^{.^{.^{.^{e^\pi}}}}}}\right)}\ge \pi^{\left(e^{\pi^{e^{.^{.^{.^{\pi^e}}}}}}\right)}$ Jul 14 '16
7 How can I show $\lim\limits_{x\to a}e^x=e^a$ just using limit ,without “continuous” Jun 4 '16
7 Calculating the series $1/8+1/88+1/888+…$ Aug 1 '18
6 How to calculate sum for $k\ge 1\in\mathbb N\quad\sum\limits_{i=1}^\infty\frac1{i(i+1)(i+2)…(i+k)}$ Apr 1 '17
6 Evaluate $\int x^2e^{x^2} dx$ Apr 1 '17
6 Calculate $\int_{1/t}^t\dfrac{dx}{(x^2+1)(x^t+1)}$ May 3 '17
4 Can we change $\triangle$ratio of Riemann integral? $\int_a^b f(x)(a(dx))^{b(dx)}\quad a,b\in \mathbb R^{\neq0}$ Apr 1 '17
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